本文论述了不同设防烈度及场地条件，建筑高度和自重，以及顶点相对位移限值等因素与抗震墙用量之间的关系。
The factors relating to shear wall discussed in this paper are seismic intensity, site soil condition, weight and height of building, and top displacement of structure etc.
目前存在的问题是该方法的修正结果对静位移中各元素相对误差的不一致具有高度敏感性。
The problem with this method is that the result is highly sensitive to the difference of relative errors in the static displacements.
目的：研究牙周支持高度降低状态下施加舌向集中力时，牙周组织的应力变化、分布规律和牙的初始位移。
PURPOSE: to study the stress variation and distribution of the periodontium and the tooth initial displacement when the lingual fixate forces were applied to the depressed periodontal height.
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